2024-03 rust p1

1 files changed, 20 insertions, 0 deletions

diff --git a/2024/03/rust/src/main.rs b/2024/03/rust/src/main.rs
new file mode 100644
index 0000000..6ea29b3
--- /dev/null
+++ b/2024/03/rust/src/main.rs
@@ -0,0 +1,20 @@
+use regex::Regex;
+use std::io::{self, Read};
+
+fn main() -> io::Result<()> {
+    let mut program = String::new();
+    io::stdin().read_to_string(&mut program)?;
+
+    let re = Regex::new(r"mul\((\d{1,3}),(\d{1,3})\)").unwrap();
+
+    let silver: u64 = re
+        .captures_iter(&program)
+        .map(|c| c.extract())
+        .map(|(_, [x, y])| x.parse::<u64>().unwrap() * y.parse::<u64>().unwrap())
+        .sum();
+    let gold: u64 = 0;
+    println!("silver: {silver}");
+    println!("gold: {gold}");
+
+    return Ok(());
+}